Panasonic KX-NSX2000 Operating Manual page 52

1.3.6 Identifying Malicious Calling Parties (Malicious Call Identification [MCID])
To request MCID
PT/SLT/PS
During a conversation or when hearing a reorder tone after the calling party hangs up.
OR
OR
Press TRANSFER or
Recall/hookswitch.
•
Availability of this feature depends on the ISDN service of your telephone company.
52 Operating Manual
7 3
C.Tone
Enter 7 3.
OR
Talk or on-hook.